Files
dvdisaster/src/read-adaptive-window.c

368 lines
10 KiB
C

/* dvdisaster: Additional error correction for optical media.
* Copyright (C) 2004-2017 Carsten Gnoerlich.
* Copyright (C) 2019-2021 The dvdisaster development team.
*
* Email: support@dvdisaster.org
*
* This file is part of dvdisaster.
*
* dvdisaster is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* dvdisaster is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with dvdisaster. If not, see <http://www.gnu.org/licenses/>.
*/
/*** src type: only GUI code ***/
#include "dvdisaster.h"
#ifdef WITH_GUI_YES
/***
*** Spiral drawing and updating
***/
static long long int readable, correctable, missing;
static int percent,min_required;
static GdkRGBA *footer_color;
#define REDRAW_TITLE 1<<0
#define REDRAW_SUBTITLE 1<<1
#define REDRAW_PROGRESS 1<<2
#define REDRAW_ERRORMSG 1<<3
static int draw_text(cairo_t *cr, PangoLayout *l, char *text, int x, int y, GdkRGBA *color, int redraw)
{ int w,h,pw;
int erase_to;
GuiSetText(l, text, &w, &h);
if(redraw)
{ erase_to = Closure->readAdaptiveSpiral->mx - Closure->readAdaptiveSpiral->diameter/2;
pw = erase_to-x;
gdk_cairo_set_source_rgba(cr, color);
cairo_move_to(cr, x, y);
pango_cairo_show_layout(cr, l);
}
return h;
}
static void redraw_labels(cairo_t *cr, GtkWidget *widget, int erase_mask)
{ char buf[256];
int x,y,w,h;
/* Get foreground color */
GdkRGBA fg = {0};
GtkStyleContext *context = gtk_widget_get_style_context(widget);
gtk_style_context_get_color(context, gtk_widget_get_state_flags(widget), &fg);
/* Draw the labels */
x = 10;
gdk_cairo_set_source_rgba(cr, &fg);
y = Closure->readAdaptiveSpiral->my - Closure->readAdaptiveSpiral->diameter/2;
h = draw_text(cr, Closure->readLinearCurve->layout,
_("Adaptive reading:"), x, y, &fg, erase_mask & REDRAW_TITLE);
y += h+h/2;
if(Closure->readAdaptiveSubtitle)
{ char *c = Closure->readAdaptiveSubtitle + strlen(Closure->readAdaptiveSubtitle)/2;
while(*c && *c != ' ') /* find point to split text in middle */
c++;
if(*c) /* split text into two lines */
{ *c = 0;
h = draw_text(cr, Closure->readLinearCurve->layout,
Closure->readAdaptiveSubtitle, x, y, &fg,
erase_mask & REDRAW_SUBTITLE);
h = draw_text(cr, Closure->readLinearCurve->layout,
c+1, x, y+h, &fg,
erase_mask & REDRAW_SUBTITLE);
*c = ' ';
}
else /* draw text in one line */
{ h = draw_text(cr, Closure->readLinearCurve->layout,
Closure->readAdaptiveSubtitle, x, y, &fg,
erase_mask & REDRAW_SUBTITLE);
}
}
y += 4*h;
h = draw_text(cr, Closure->readLinearCurve->layout,
_("Sectors processed"), x, y, &fg, erase_mask & REDRAW_TITLE);
y += h;
snprintf(buf, 255, " %s: %lld", _("readable"), readable);
h = draw_text(cr, Closure->readLinearCurve->layout, buf, x, y, &fg,
erase_mask & REDRAW_PROGRESS);
y += h;
snprintf(buf, 255, " %s: %lld", _("correctable"), correctable);
h = draw_text(cr, Closure->readLinearCurve->layout, buf, x, y, &fg,
erase_mask & REDRAW_PROGRESS);
y += h;
snprintf(buf, 255, " %s: %lld", _("missing"), missing);
h = draw_text(cr, Closure->readLinearCurve->layout, buf, x, y, &fg,
erase_mask & REDRAW_PROGRESS);
if(min_required > 0 && readable > 0)
{ int percent = round(((1000*readable)/(readable+correctable+missing)));
if(!missing) /* Make sure target percentage is reached */
percent = min_required; /* in spite of rounding errors */
y += h;
snprintf(buf, 255, _("Readable: %d.%d%% / %d.%d%% required"),
percent/10, percent%10,
min_required/10, min_required%10);
h = draw_text(cr, Closure->readLinearCurve->layout, buf, x, y, &fg,
erase_mask & REDRAW_PROGRESS);
}
y += h;
snprintf(buf, 255, _("Total recoverable: %d.%d%%"), percent/10, percent%10);
h = draw_text(cr, Closure->readLinearCurve->layout, buf, x, y, &fg,
erase_mask & REDRAW_PROGRESS);
if(Closure->readAdaptiveErrorMsg && erase_mask & REDRAW_ERRORMSG)
{ gdk_cairo_set_source_rgba(cr, footer_color ? footer_color : &fg);
GuiSetText(Closure->readLinearCurve->layout, Closure->readAdaptiveErrorMsg, &w, &h);
y = Closure->readAdaptiveSpiral->my + Closure->readAdaptiveSpiral->diameter/2 - h;
cairo_move_to(cr, x, y);
pango_cairo_show_layout(cr, Closure->readLinearCurve->layout);
}
}
/* Calculate the geometry of the spiral */
static void update_geometry(GtkWidget *widget)
{ GtkAllocation a = {0};
gtk_widget_get_allocation(widget, &a);
Closure->readAdaptiveSpiral->mx = a.width - 15 - Closure->readAdaptiveSpiral->diameter / 2;
Closure->readAdaptiveSpiral->my = a.height / 2;
}
/* Draw event handler */
static gboolean draw_cb(GtkWidget *widget, cairo_t *cr, gpointer data)
{
GuiSetSpiralWidget(Closure->readAdaptiveSpiral, widget);
update_geometry(widget);
redraw_labels(cr, widget, ~0);
GuiDrawSpiral(cr, Closure->readAdaptiveSpiral);
return TRUE;
}
/*
* Clip the spiral.
*/
static gboolean clip_idle_func(gpointer data)
{ Spiral *spiral = Closure->readAdaptiveSpiral;
int i;
if(spiral->segmentClipping < spiral->segmentCount)
{ int clipping = spiral->segmentClipping;
spiral->segmentClipping = spiral->segmentCount;
for(i=clipping; i < spiral->segmentCount; i++)
GuiSetSpiralSegmentColor(spiral, &transparent, &transparent, i);
spiral->segmentClipping = clipping;
/* Now redraw the last turn */
for(i=ADAPTIVE_READ_SPIRAL_SIZE-300; i<=clipping; i++)
GuiSetSpiralSegmentColor(spiral, &transparent, 0, i);
}
return FALSE;
}
void GuiClipReadAdaptiveSpiral(int segments)
{
Closure->readAdaptiveSpiral->segmentClipping = segments;
g_idle_add(clip_idle_func, NULL);
}
/*
* Change the segment color.
* We can't ask for a redraw when not an the main thread, but can set an idle
* function to do so.
*/
static gboolean segment_idle_func(gpointer data)
{
gtk_widget_queue_draw(Closure->readAdaptiveDrawingArea);
return FALSE;
}
void GuiChangeSegmentColor(GdkRGBA *color, int segment)
{
Closure->readAdaptiveSpiral->segmentColor[segment] = color;
g_idle_add(segment_idle_func, 0);
}
/*
* Remove the white markers drawn during the fill operation
*/
static gboolean remove_fill_idle_func(gpointer data)
{ Spiral *spiral = Closure->readAdaptiveSpiral;
int i;
for(i=0; i<spiral->segmentCount; i++)
if(spiral->segmentColor[i] == Closure->whiteSector)
GuiSetSpiralSegmentColor(spiral, &transparent, 0, i);
return FALSE;
}
void GuiRemoveFillMarkers()
{
g_idle_add(remove_fill_idle_func, NULL);
}
/***
*** Redraw the label in our window
***/
static gboolean label_redraw_idle_func(gpointer data)
{
gtk_widget_queue_draw(Closure->readAdaptiveDrawingArea);
return FALSE;
}
void GuiSetAdaptiveReadSubtitle(char *title)
{
if(!Closure->guiMode)
return;
if(Closure->readAdaptiveSubtitle)
g_free(Closure->readAdaptiveSubtitle);
Closure->readAdaptiveSubtitle = g_strdup(title);
g_idle_add(label_redraw_idle_func, GINT_TO_POINTER(REDRAW_SUBTITLE));
}
void GuiSetAdaptiveReadFootline(char *msg, GdkRGBA *color)
{
if(!Closure->guiMode)
return;
if(Closure->readAdaptiveErrorMsg)
g_free(Closure->readAdaptiveErrorMsg);
Closure->readAdaptiveErrorMsg = g_strdup(msg);
footer_color = color;
g_idle_add(label_redraw_idle_func, GINT_TO_POINTER(REDRAW_ERRORMSG));
}
void GuiUpdateAdaptiveResults(gint64 r, gint64 c, gint64 m, int p)
{ readable = r;
correctable = c;
missing = m;
percent = p;
if(!Closure->guiMode)
return;
g_idle_remove_by_data(GINT_TO_POINTER(REDRAW_PROGRESS));
g_idle_add(label_redraw_idle_func, GINT_TO_POINTER(REDRAW_PROGRESS));
}
/***
*** Reset the notebook contents for new read action
***/
void GuiResetAdaptiveReadWindow()
{ GuiFillSpiral(Closure->readAdaptiveSpiral, &transparent);
// DrawSpiral(Closure->readAdaptiveSpiral);
if(Closure->readAdaptiveSubtitle)
g_free(Closure->readAdaptiveSubtitle);
if(Closure->readAdaptiveErrorMsg)
g_free(Closure->readAdaptiveErrorMsg);
Closure->readAdaptiveSubtitle = NULL;
Closure->readAdaptiveErrorMsg = NULL;
readable = correctable = missing = 0;
percent = min_required = 0;
if(gtk_widget_get_window(Closure->readAdaptiveDrawingArea))
{ static GdkRectangle rect;
GtkAllocation a = {0};
gtk_widget_get_allocation(Closure->readAdaptiveDrawingArea, &a);
rect.x = rect.y = 0;
rect.width = a.width;
rect.height = a.height;
gtk_widget_queue_draw(Closure->readAdaptiveDrawingArea);
}
}
/*
* Set the minimum required data recovery value
*/
void GuiSetAdaptiveReadMinimumPercentage(int value)
{ min_required = value;
}
/***
*** Create the notebook contents for the reading and scanning action
***/
void GuiCreateAdaptiveReadWindow(GtkWidget *parent)
{ GtkWidget *sep,*d_area;
Closure->readAdaptiveHeadline = gtk_label_new(NULL);
gtk_label_set_xalign(GTK_LABEL(Closure->readAdaptiveHeadline), 0.0);
gtk_widget_set_margin_start(Closure->readAdaptiveHeadline, 5);
gtk_label_set_ellipsize(GTK_LABEL(Closure->readAdaptiveHeadline), PANGO_ELLIPSIZE_END);
gtk_box_pack_start(GTK_BOX(parent), Closure->readAdaptiveHeadline, FALSE, FALSE, 3);
sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
gtk_box_pack_start(GTK_BOX(parent), sep, FALSE, FALSE, 0);
sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
gtk_box_pack_start(GTK_BOX(parent), sep, FALSE, FALSE, 0);
d_area = Closure->readAdaptiveDrawingArea = gtk_drawing_area_new();
gtk_box_pack_start(GTK_BOX(parent), d_area, TRUE, TRUE, 0);
g_signal_connect(G_OBJECT(d_area), "draw", G_CALLBACK(draw_cb), NULL);
Closure->readAdaptiveSpiral
= GuiCreateSpiral(&transparent, 10, 5, ADAPTIVE_READ_SPIRAL_SIZE);
gtk_widget_set_size_request(d_area, -1, Closure->readAdaptiveSpiral->diameter);
}
#endif /* WITH_GUI_YES */